单项选择题

The seminar, ______ by the Nobel Prize winner, probes the problem of wildlife extinction in African countries.

A．convened
B．acquainted
C．incurred
D．hauled
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单项选择题
My mother tried to ______ a little money each month for his summer ruction.
A．put forward
B．set aside
C．bring about
D．make for
单项选择题
Despite all the reports of physicians and health authorities, some individuals find that cigarette smoking is ______.
A．habit-forming
B．harmful
C．stimulating
D．maligant
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